گیاه شناسی ایران- Iranian Journal of Botany, ( ISI ), Volume (16), No (2), Year (2010-12) , Pages (237-241)
Title : ( A NEW RECORD OF BETULA LITWINOWII (BETULACEAE) AND A REVIEW OF THE GEOGRAPHICAL DISTRIBUTION OF THE GENUS BETULA L. IN IRAN )
Authors: H. Zare , M. Akbarinia , S. M. Hosseini , Hamid Ejtehadi , T. Amini Eshkevari ,File: 
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Full TextAbstract
Betula litwinowii Doluch., discovered from northern Iran, is reported as a new record for the flora of Iran. Morphological characteristics of this species are compared to its closest relative, Betula pendula Roth. In addition, the geographical distribution of these two taxa in Iran and adjacent regions is discussed.
